蚜虫俗称蛐虫。蚜虫的种类非常多,有桃蚜、棉蚜、瓜蚜、萝卜蚜等40多种。几乎能以所有的蔬菜作物为寄主植物,但主要是瓜类、茄果类、十字花科蔬菜。从上半年3月份起,随着气温的回升,蚜虫开始为害作物,并于4月中旬至6月份上中旬达到高峰,下半年蚜虫的为害高峰为8月下旬至11月上旬。蚜虫为刺吸式口器的害虫,以成虫或若虫群聚在叶片背面,或在嫩茎、嫩梢等生长点、花器上刺吸汁液为害。苗期被害,植株生长缓慢、叶片卷缩、畸形、直至枯死;成株期被害,叶片卷缩,严重影响光合作用,致使叶片提早干枯死亡,导致植 Aphids commonly known as pinworm. Aphids are many species, there are peach aphid, cotton aphid, aphid, turnip aphid and other 40 kinds. Almost all vegetable crops as host plants, but mainly melons, solanaceae, cruciferous vegetables. From the first half of March onwards, the aphids started cropping up as temperatures rose and peaked from mid-April to the middle of June. In the second half of the year, the aphids peaked from late August to early November. Aphids for piercing suction mouth pests to adults or nymphs clustered in the back of the leaves, or in the tender stems, tender shoots and other growth points, flower sucking sucking juice damage. Seedling damage, slow plant growth, leaf curling, deformity, until the dead; adult damage, leaf curling, seriously affecting photosynthesis, leading to early death leaves dry, leading to plantation